131430785 is an odd 9-digits composite number following 131430784
and preceding 131430786 . In scientific notation, it is written as 1.31430785 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 105026544 positive integers (up to 131430785) that are relatively prime to 131430785.
131430785 has 8 divisors, whose sum is 157894080
The reverse of 131430785 is 587034131
Previous prime number is 919
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred thirty-one million four hundred thirty thousand seven hundred eighty-five
Scientific notation
1.31430785 × 10^8
Engineering notation
1.31430785 × 10^6
Prime Factorization
5 × 919 × 28603
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
131430785
Product of the distinct prime numbers
The prime factorization of 131430785 is 5 × 919 × 28603.
Since it has a total of 3 prime factors.
8 , 10 , 6 , 5 , 837 , 123 , 3287 , 8090 , 4484 , 87082 , 827824 , 829292 , 8074660 , 8728439 , 83357637 , 39607587 , 784303034 , 848108413 , 7462214002 , 9558031461
n×2
262861570
n×3
394292355
n×4
525723140
n×5
657153925
n÷2
65715392.5
n÷3
43810261.666667
n÷3
32857696.25
n÷5
26286157
n2
17274051245716225
n3
2.2703421153547E+24
n4
2.9839284643963E+32
n5
3.9218006045945E+40
2 √n
11464.32662654
3 √n
508.43140369491
4 √n
107.07159579711
5 √n
42.04742652714
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-131430784
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 131430785 can be divided by 8 positive divisors.
The sum of these divisors (counting 131430785) is 1, the average is 0.125.
Base
System
Value
2
Binary
111110101010111100110000001
3
Ternary
100011022101010212
4
Quaternary
13311113212001
5
Quinary
232121241120
6
Senary
21013003505
8
Octal
765274601
10
Decimal
131430785
12
Duodecimal
38023595
16
Hexadecimal
7d57981
20
Vigesimal
2118gj5
36
Base36
2690n5
md5
78d4176743afc8631c85d7997a4deeb7
sha1
fc02b7277deedf81caa13fd067b4053d19479550
sha256
a8f24d78577716c794e8b6005d05d49fa51a2a8f57cbf514d3bbdf704b5e17b9
sha512
0bc92172912fcca323ed4c05ffd78f0aabbf7fbe13eda102131dbf0c2205d578bc176a1eacc257ee57ac899cf5ce8d41144e02fc22e34c9b5ab72c56156412b6
ripemd-160
f713a6b38862caeb83d9518d8695e0a7c02efb05
Diameter
262861570
Circumference
825803977.22308
Area
5.4268032491276E+16
Volume
9.5099868143118E+24
Surface area
2.170721299651E+17
Circumference
825803977.22308
Perimeter
525723140
Area
17274051245716225
Diagonal
185871198.66034
Surface area
103644307474297350
Volume
2.2703421153547E+24
Space diagonal
227644797.29866
Perimeter
394292355
Area
7.4798836025322E+15
Altitude
113822398.64933
Surface area
7.4798836025322E+15
Volume
2.6756238423012E+23
Height
61957066.220114